긴급도 15/100 심각도 9.8 · 치명적 악용확률 43.9% CWE-787 CVE-2026-87121 lwIP TCP/IP Stack MQTT is vulnerable to an out-of-bounds write, which may allow an attacker to... 벡터: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H NVD 상세 ↗ GitHub Advisory ↗